diff --git a/packages/l/libmem/port/xmake.lua b/packages/l/libmem/port/xmake.lua
index 44155a963af..fd8e5de2a38 100644
--- a/packages/l/libmem/port/xmake.lua
+++ b/packages/l/libmem/port/xmake.lua
@@ -13,7 +13,9 @@ target("libmem")
             end
         end})
     end
-    add_defines("LM_EXPORT")
+    if is_plat("windows") or is_kind("shared") then
+        add_defines("LM_EXPORT")
+    end
 
     add_packages("capstone", "keystone")